问题
选择题
The man is _______ Air China captain.And I don't think he is _______ usual person.[ ]
A. a; an
B. an; an
C. a; a
D. an; a
答案
答案：D
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The man is _______ Air China captain.And I don't think he is _______ usual person.[ ]
A. a; an
B. an; an
C. a; a
D. an; a
答案：D